Finding the Fourth Proportional to 34,167,853.64, 47,153,720.43 and 19,486,353.08
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Solution
The fourth proportional to 34,167,853.64, 47,153,720.43 and 19,486,353.08 is: 26,892,354.87
Step by Step Solution
- Step 1: Write the proportion equation
34,167,853.64 : 47,153,720.43 = 19,486,353.08 : x - Step 2: Convert to fraction form
34,167,853.64/47,153,720.43 = 19,486,353.08/x - Step 3: Cross multiply
34,167,853.64x = 47,153,720.43 × 19,486,353.08 - Step 4: Simplify right side
34,167,853.64x = 918,854,045,334,589.38 - Step 5: Solve for x
x = 918,854,045,334,589.38/34,167,853.64 - Step 6: Final answer
x = 26,892,354.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.